Federal NAICS Codes

NAICS 541620

Environmental Consulting Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 541620.

NAICS 541620 federal market metrics

Total obligations
$53.4B
Total awards
74,075 awards
Active obligations
$3B
Size standard
$19,000,000 receipts

What this NAICS covers

NAICS 541620 covers environmental consulting services such as site assessments, regulatory compliance support, environmental sampling and monitoring, impact analyses, remediation planning assistance, and preparation of environmental reports and permits.

Federal opportunities under 541620 typically involve delivering technical studies and documentation to meet statutory environmental requirements, performing field sampling and data interpretation, preparing compliance or permitting packages, and advising project teams on mitigation and remediation options.

FY2025 snapshot

Obligations
$709M
Awards
1,914
Average award
$370.4K
Change from FY2024
-39%

Recent awards

Search contractors

$550,062

MABBETT & ASSOCIATES, INC.

Department of Veterans Affairs

PIID
36C24126N0627
PSC
B533 - SPECIAL STUDIES/ANALYSIS- WATER QUALITY

$30,000

MASON, BRUCE & GIRARD, INC

Bureau of Land Management

PIID
140L4326F0057
PSC
F099 - NATURAL RESOURCES/CONSERVATION- OTHER

$40,560

RPS GROUP, INC.

Bureau of Ocean Energy Management

PIID
140M0126F0030
PSC
R405 - SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS

FAQ

What work fits NAICS 541620?
  • Phase I environmental site assessments and historical records review to identify potential contamination risks prior to property acquisition.
  • Preparation of environmental assessment reports, impact analyses, and mitigation plans to support project decision processes.
  • Contaminated site investigation and conceptual remediation alternatives including sampling plans, data interpretation, and cost estimating support.
  • Compliance audits and preparation of permit application support, monitoring plans, and technical advisory services during project planning.
When is NAICS 541620 a weak fit?
  • Environmental laboratory analysis contracts that perform sample testing and laboratory certification, which require accredited lab operations rather than consulting deliverables and reports.
  • Remediation construction contracts that implement soil excavation, demolition, or in-situ treatment and require construction execution capacity distinct from consulting recommendations.
  • Manufacture or installation of environmental monitoring instrumentation where the primary activity is equipment production and installation rather than technical advisory services.
What solicitation language points to NAICS 541620?
  • Statement of work requests deliverables such as site assessment reports, technical memoranda, sampling plans, and conceptual remediation options.
  • Labor categories requested are environmental scientists, subject-matter technical advisors, or compliance specialists with demonstrated consulting experience and technical reports.
  • Evaluation criteria emphasize technical approach, past performance on environmental studies, and the quality of proposed methodologies for field investigations and data interpretation.

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